10 Reasons to Smile.

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1.It makes you attractive.

2.It changes your mood.

3.It is contagious.

4.It relieves stress.

5.It boosts your immune system.

6.It lowers your blood pressure.

7.It releases endorphins,natural pain killers and serotonin-natural antidepressant.

8.It lifts the face and makes you look younger.

9.It makes you seem successful.

10.It helps you stay positive.